All categories

3 years ago

Help me please and thanks!!

Mathematics

1 answer:

Yuki888 [10]3 years ago

4 0

Answer:

Step-by-step explanation:

11 t= -5 17 r = 27

12 n= -1 18 k = -20

13 m=-5

14 x= - 11

15 y = 70

16 f = - 70

You might be interested in

a tank is 4÷5 full of water. after drawing off 190 litees of water,it is just 1÷6 full. what is the capacity of the tank

soldier1979 [14.2K]

Hey there! I'm happy to help!

Let's have the capacity be c. The tank is currently at 4/5c. We subtract 190 and then we are at 1/6c. Let's set this up as an equation and solve it.

4/5c-190=1/6c

We want to get the c all by itself to see the capacity of the tank. Let's get all of the c values on the left side of the equation and the numbers on the right by using inverse operations.

4/5c-190=1/6c

Add 190 to both sides.

4/5c=1/6+190

Subtract 1/6 from both sides.

19/30c=190

Divide both sides by 19/30.

c=300

So, the capacity of the tank is 300 liters of water.

Have a wonderful day and keep on learning! :D

8 0

3 years ago

Does anyone know the answer to this!?

PolarNik [594]

Answer:

$|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

Step-by-step explanation:

You can use these Cramer's formulas to solve for x and y:

$x=\dfrac{|A_x|}{|A|},\\ \\y=\dfrac{|A_y|}{|A|},$

where

$|A|=\left|\begin{array}{cc}12&-13\\ \\17&-22\end{array}\right|\\ \\ \\|A_x|=\left|\begin{array}{cc}7&-13\\ \\-51&-22\end{array}\right|\\ \\ \\|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

So,

$|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

4 0

3 years ago

PLEASE HELP ASAP

lana [24]

First find midpoint: $\left( \frac{-1+5}{2}, \frac{6+5}{2}\right) = (2, 5.5)$

Find slope of line that passes through R and S: slope = $\frac{6-5}{-1-5} = \frac{-1}{6}$

Negative reciprocal of slope to get slope of perpendicular: new slope = 6

Line will be: $y-5.5=6(x-2)$

$y = 6x - 6.5$

5 0

3 years ago

For this assignment, you will create a presentation to explain the additive and multiplicative

Mekhanik [1.2K]

Multiplicative inverse makes the numver 1 so it multiplies by 1 which cancles the number
examle
1/3x=10
to make 1/3 into 1
we multiplyu it by its mutlipcative invers which is 3/1
1/3 times 3/1=3/3=1
1/3x times 3/1=3/1 times 10
1x=30

additive inverse makes the number 0 to cancel it out
so example
x+3=10
add the inverse of 3 to make it 0
inverse of 3 is -3
3+-3=0

so x+3-3=10-3
x+0=7
x=7

4 0

3 years ago

Match each statement in the proof with the correct reason.

Masteriza [31]

Answer:

See explanation

Step-by-step explanation:

Definition of parallelogram: Parallelogram is a quadrilateral with two pairs of parallel sides.

Definition of transversal (diagonal): A line that cuts across two or more (usually parallel) lines.

Definition of the same side interior angles: These angles are located exactly as their name describes. They are "interior" (between the parallel lines), and they are on the same side of the transversal (diagonal).

The same-side interior angles theorem states that when two lines that are parallel are intersected by a transversal line, the same-side interior angles that are formed are supplementary

Statement Reason

1. ABCD is a parallelogram - Given

2. $\overline{AB}\parallel \overline {CD}$ - Definition of parallelogram

3. $\overline{AD}$ is a diagonal of $\overline{AB}$ and $\overline{CD}$ - Definition of diagonal

4. $\angle A$ and $\angle D$ are the same side interior angles - Definition of same-side interior angles

5. $\angle A$ is supplementary to $\angle D$ - Same-Side Interior Angles Theorem

5 0

3 years ago